Nelson's Corner, a rare surviving early 19th-century country hamlet. Old Albany Post Road, a 6.6-mile (10.6 km) remnant of US 9's original and one of the oldest dirt roads still in use in the country, comes in from the right a mile on. The only other intersection of note in Putnam County is its main east–west state route, NY 301, which crosses US 9 several miles further north, just a mile south of the Dutchess County line. US 9 passes Dutchess Mall, a dead mall, before passing the historic Van Wyck Homestead. In Fishkill, the route meets I-84. At the interstate exit, the road expands into a four-lane strip similar to the form it takes in Central New Jersey, complete with much commercial development on both sides. It will remain this way to Poughkeepsie. This stretch is an important, if often congested, transportation artery for the county. Just north of I-84, US 9 clips off a corner of the village of Fishkill, where the intersection with NY 52 creates a heavily congested situation at rush hours since traffic going from southbound US 9 to westbound I-84 often uses it as a shortcut. The remaining miles to Wappingers Falls boast many intersections as well, but are not quite as heavy. In the Town of Poughkeepsie, just after the northern terminus of NY 9D, US 9 passes another distressed mall, South Hills and its healthier, newer counterpart, the Poughkeepsie Galleria. A mile further north, NY 113 swings to the west at a cloverleaf interchange near the IBM plant, once the region's major employer. Entering the city of Poughkeepsie, at Sharon Drive, US 9 returns to expressway status once again. Two miles (3.2 km) north of Sharon, the highway connects to the US 44/NY 55 concurrency at an interchange in close proximity to the Mid-Hudson Bridge. This creates some unusual left exits, as traffic from 44/55 east wanting to go north on US 9 is routed into a U-turn south of the highway, and likewise northbound drivers on US 9 must get turned around to go west over the river. The limited-access highway comes to an end at the intersection with NY 9G near Marist College. Poughkeepsie to Albany North of Poughkeepsie, US 9 is at first a busy four-lane undivided route, with occasional turn lanes as it approaches Hyde Park, passing Marist College, the main campus of the Culinary Institute of America